>>21327845>Boomburst>Mega Flygon exists>Its ability is Groundilate, turns all normal moves to ground types at 1.3 times base powerBasis:
>Because its flapping wings whip up a cloud of sand, this Pokémon is always enveloped in a sandstorm while flying. >Always enveloped in a sandstorm, therefore all attacks have sand as part of themAlso basis for Boomburst that is confirmed:
>Flygon whips up a sandstorm by flapping its wings. The wings create a series of notes that sound like singing. Because the "singing" is the only thing that can be heard in a sandstorm, this Pokémon is said to be the desert spirit.